What’s Vulnerable › Vulnerabilities

CVE-2023-0656

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 41.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-02 · updated 2026-06-17
• Weakness: CWE-121

Description

A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.

Affected products

• SonicWall SonicOS: through 7.0.1-5111; through 7.0.1-5083; through 6.5.4.4-44v-21-1551

References

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0004
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0004

Get alerted when CVE-2023-0656 or the next vulnerability affects your stack